SONAR-6835 Log scanner context when processing Compute Engine task

1 files changed, 83 insertions, 0 deletions

diff --git a/sonar-core/src/test/java/org/sonar/core/util/LineReaderIteratorTest.java b/sonar-core/src/test/java/org/sonar/core/util/LineReaderIteratorTest.java
new file mode 100644
index 00000000000..7d143aabc3b
--- /dev/null
+++ b/sonar-core/src/test/java/org/sonar/core/util/LineReaderIteratorTest.java
@@ -0,0 +1,83 @@
+/*
+ * SonarQube, open source software quality management tool.
+ * Copyright (C) 2008-2014 SonarSource
+ * mailto:contact AT sonarsource DOT com
+ *
+ * SonarQube is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * SonarQube is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.core.util;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.StringReader;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class LineReaderIteratorTest {
+
+  @Rule
+  public ExpectedException expectedException = ExpectedException.none();
+
+  @Test
+  public void read_lines() {
+    LineReaderIterator it = new LineReaderIterator(new StringReader("line1\nline2"));
+    assertThat(it.hasNext()).isTrue();
+    assertThat(it.next()).isEqualTo("line1");
+    assertThat(it.hasNext()).isTrue();
+    assertThat(it.next()).isEqualTo("line2");
+    assertThat(it.hasNext()).isFalse();
+  }
+
+  @Test
+  public void ignore_last_newline() {
+    LineReaderIterator it = new LineReaderIterator(new StringReader("line1\nline2\n"));
+    assertThat(it.hasNext()).isTrue();
+    assertThat(it.next()).isEqualTo("line1");
+    assertThat(it.hasNext()).isTrue();
+    assertThat(it.next()).isEqualTo("line2");
+    assertThat(it.hasNext()).isFalse();
+  }
+
+  @Test
+  public void no_lines() {
+    LineReaderIterator it = new LineReaderIterator(new StringReader(""));
+    assertThat(it.hasNext()).isFalse();
+  }
+
+  @Test
+  public void do_not_wrap_BufferedReader_in_BufferedReader() {
+    // TODO how to verify that constructor does not build new BufferedReader(BufferedReader) ?
+    LineReaderIterator it = new LineReaderIterator(new BufferedReader(new StringReader("line")));
+    assertThat(it.next()).isEqualTo("line");
+    assertThat(it.hasNext()).isFalse();
+  }
+
+  @Test
+  public void fail_if_cannot_read() throws IOException {
+    expectedException.expect(IllegalStateException.class);
+    expectedException.expectMessage("Fail to read line");
+
+    BufferedReader reader = mock(BufferedReader.class);
+    when(reader.readLine()).thenThrow(new IOException());
+    LineReaderIterator it = new LineReaderIterator(reader);
+
+    it.hasNext();
+  }
+}